← View Generic P1042 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P1042: P1042: Fuel Pressure Regulator Control Circuit Low

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2020 Chevrolet
SILVERADO 1500 PICKUP
⚠️

Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners

Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does P1042 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The fuel pressure regulator control circuit is low, indicating a problem with the fuel pressure regulator or its circuit. This code is specific to Ford vehicles.
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Symptoms

  • • Poor engine performance
  • • rough idle
  • • decreased fuel efficiency
  • • and possible stalling
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Common Causes

  • • Faulty fuel pressure regulator
  • • clogged fuel filter
  • • low fuel pressure
  • • or electrical issues in the regulator circuit
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How to Fix P1042 on 2020 Chevrolet SILVERADO 1500 PICKUP

Check and clean the fuel filter, inspect and replace the fuel pressure regulator if necessary, and test the regulator circuit for any issues

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2020 Chevrolet SILVERADO 1500 PICKUP.

View 2020 Chevrolet SILVERADO 1500 PICKUP Specs

Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Fuel pressure regulator Shop ↗ Fuel filter Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

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Related Diagnostic Codes

Other codes that may appear with P1042

P1040 Sequential Code

P1040: Fuel Pressure Regulator Circuit Malfunction

Medium
P1041 Sequential Code

P1041: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1043 Sequential Code

P1043: Fuel Pressure Regulator Control Circuit Low Input

Medium
P1044 Sequential Code

P1044: Fuel Pressure Regulator Control Circuit Low Input

Medium

💡 Why These Codes Are Related:

  • • Similar Issues: Same root cause or component failure
  • • Related Problems: Often occur together due to system interactions
  • • Sequential Codes: Progressive failure stages or multiple sensors
  • • Same System: Components within the same automotive system